Oceanside, CA

ZIP code 92052 is a U.S. Postal Service PO Box code associated with Oceanside, California, rather than a conventional area ZIP code with a defined land boundary. Therefore, landmarks cannot reliably be identified as being within 92052. Notable landmarks in Oceanside include Oceanside Pier, Oceanside Harbor, the California Surf Museum, and Mission San Luis Rey; these are city landmarks, not necessarily locations within the ZIP code.